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(Model) A.T.PRAEOKEL. MOUTH AND NOSE GUARD FOR PIREMEN. No. 601,401.

Patented Mar..29, 1898.

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ADOLPH T. PRA'EOKEL,

Tries.

PATENT OF NEW YORK, N. Y.

MOUTH AND NOSE GUARD FOR FIREMEN.

SPECIFICATION forming part of Letters Patent No. 601 ,401, dated March29, 1898.

Application filed July 10 1 8 97.

' State of New York, have invented certain ne w and useful Improvementsin Mouth and Nose Guards for Firemen, &c. of which the following is aspecification.

My invention relates to a mouth and nose guard for firemen, miners, andothers in apartments or mines filled with smoke, foul air, or obnoxiousgases; and it consists of the novel construction, as hereinafter moreparticularly described, illustrated in the accompanying drawings, andpointed out in the claim. 7 1

Referring to the accompanying drawings, Figure 1 represents a front viewof a mouth and nose guard, part of the sponge omitted, embodying myinvention. Fig. 2 represents a partial side view and partial sectionthereof. Fig. 3 represents a top view thereof. Fig. 4: represents a rearview thereof.

Similar letters of reference indicate corresponding parts.

The letter A-indicates a metallic frame approximately of the shape ofthe human mouth, having a curved back piece B to fit over the mouth, andthe letter O designateswviregauze arranged in back piece opposite themouth portion.

The letters D and D designate overhanging lips on the front of the guardand having a piece of sponge E or other suitable material fitted betweenthe said overhanging lips D and D and secured in place therein byspring-clamps a a a, hinged to the lower lip.

In the upper overhanging lip opposite the nose I place an opening F topermit breathing through the nostrils.

On the rear of the frame and on each side of the wire-gauze I arrangeprotecting-cushions Gr, composed of compressed sponge II and inclosed ina covering I, it being ap- SerialNo. 644,157. (ModeL) proximately theshape of the mouth and to fitsnugly thereto.

The letter J designates a piece of sheetrubber or other suitablematerial secured to the outside of the frame A on the upper side thereofby first sewing the same and then applying a suitable adhesive substancethereto, thus making an air-tight connection of the sheet-rubber to theframe. The upper part of the sheet-rubber is shaped to fit the lowerportion of the nose, and in order to make the rubber hold and close inan air-tight manner around the nose I attach springs L L to the upperlip and provide the springs with pressure-pads M M, the rubber piece Jhaving reinforcing-cushions N N thereon opposite the pressure-pads M M,the pressure-pads M M serving to hold the guard in its proper positionby pressing the bone of the nose.

open frame, fitting around the mouth, covered with wire-gauze in frontof which is a casing for carrying a sponge, to the top of said casing isattached a sheet-rubber flap held to cover the nose byspring-supportpads, and having suspending straps for securing the structure,substantially as shown and described.

AD OLPH T. PRAECKEL.

Witnesses:

FRANCIS O. BOWEN, JAs. S. EWBANK.

